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Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 14. Use the empirical rule to

Scores of an IQ test have a bell-shaped distribution with a mean of

100 and a standard deviation of 14.

Use the empirical rule to determine the following.(a) What percentage of people has an IQ score between

58 and 142?

(b) What percentage of people has an IQ score less than 58 or greater than 142

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